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Any benefits to doing a base tune?

Old 08-07-2017, 06:24 PM
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Corvette_Ed
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Originally Posted by Adam Cifonelli
I thought the biggest benefit from running a tune on a base car was the get rid of the TCM system limiting the HP/TQ to 380 in 1st and 2nd gear.
This is the first I've heard of this. Could you explain this?
Old 08-07-2017, 06:33 PM
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Originally Posted by mikeCsix
Yep, me too. The next question should be, where to go in Phoenix to get a tune done.

My own question is where to go to get some performance upgrades done, I'm planning a differential cooler and supplemental auto-trans cooler, beings new to the area I don't know where to go for help with the project.
I think there is a shop Vette guys like to go to. I also think I've seen him on this forum, maybe even a sponsor. CPL or CPR...something like that.
Old 08-07-2017, 06:36 PM
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I would agree on the whole torque management thing for the base car would be something that gets in the way. I have HP Tuners so I've removed all that crap myself and end up with a peppier feeling car, I've only done some minor tweaks like removing CAGS and the tune for top end power, timing adjustment and lean out a bit.

Headers and cold air will show the biggest gain; my LS1 camaro saw it jump from 298 to 347 on headers and air lid. Any LS car should show a good gain with headers, cold air and tune over stock.
Old 08-07-2017, 06:41 PM
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Dcasole
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Originally Posted by Corvette_Ed
This is the first I've heard of this. Could you explain this?
He means torque management ..... almost every tune either turns it off or reduces it significantly..... The ECM pulls power in 1st and 2nd gear

I have mine set to off ...

Dave
Old 08-07-2017, 07:05 PM
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Nothing wrong with getting a dyno tune now, it will definitely help with the heat by bringing on the cooling fans at a lower temp. A good tuner (which I assume you have there in Texas) should be able to bring out at least 25 RWHP with a tune. If your mods are on hold, wouldn't you rather have your Vette run a bit cooler & get another 25 ponies at the wheel? I know I would.

Last edited by kronix; 08-07-2017 at 07:05 PM.
Old 08-07-2017, 07:13 PM
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Originally Posted by kronix
Nothing wrong with getting a dyno tune now, it will definitely help with the heat by bringing on the cooling fans at a lower temp. A good tuner (which I assume you have there in Texas) should be able to bring out at least 25 RWHP with a tune. If your mods are on hold, wouldn't you rather have your Vette run a bit cooler & get another 25 ponies at the wheel? I know I would.
25 HP, lower the heat, and getting rid of CAGS would definitely be worth it.
Old 08-07-2017, 07:24 PM
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Adam Cifonelli
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Originally Posted by Dcasole
He means torque management ..... almost every tune either turns it off or reduces it significantly..... The ECM pulls power in 1st and 2nd gear

I have mine set to off ...

Dave
Yep.. What he said!
Old 08-07-2017, 07:26 PM
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I wouldn't waste your money on a stock car doing a tune. couple it with some mods that would require it or actually benefit from it ie headers/cai. or further like a cam. We are the sponsor on here in PHX and if you check us out you'll see we do the bulk of the LSX stuff in AZ and specialize in vettes.
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Old 08-07-2017, 07:47 PM
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Originally Posted by Corvette_Ed
25 HP, lower the heat, and getting rid of CAGS would definitely be worth it.

I think you'd like it Ed!
I'm not sure why anyone would say it's not worth it on a base car, as long as the tuner is good, he can pull out the most HP possible & lower your temps. Living in a hot area 12 months a year is definitely worth that. If your mods aren't planned for another year, I know I'd want my Vette to be the fastest it could & run at the lowest temps possible. Only reason I'd see was if money was an issue.
Old 08-07-2017, 08:54 PM
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Originally Posted by Joe@CPR
I wouldn't waste your money on a stock car doing a tune. couple it with some mods that would require it or actually benefit from it ie headers/cai. or further like a cam. We are the sponsor on here in PHX and if you check us out you'll see we do the bulk of the LSX stuff in AZ and specialize in vettes.
I spoke with Joe about a year ago, liked what I heard, if geographically it were possible he would have done my header & tune.
Rural living has its drawbacks
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Old 08-07-2017, 09:17 PM
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Originally Posted by Not So Fast
I spoke with Joe about a year ago, liked what I heard, if geographically it were possible he would have done my header & tune.
Rural living has its drawbacks
NSF

You could have taken me up on the offer to come out to Scottsdale a while back. We could have done your headers on the lift, you could have planned a visit to get your car tuned and could have done one of those ridiculous displays of "wretched excess" Scottsdale Cars and Coffees...haha....
Old 08-07-2017, 10:06 PM
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Originally Posted by BlindSpot
You could have taken me up on the offer to come out to Scottsdale a while back. We could have done your headers on the lift, you could have planned a visit to get your car tuned and could have done one of those ridiculous displays of "wretched excess" Scottsdale Cars and Coffees...haha....
Hmmm, I don't recall having that offer made to me, but then I'm old and forgetful also
You know what Steve, I am glad I/we did the install ourselves, I learned quite a lot in the process
Bobby
Old 08-07-2017, 10:11 PM
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Originally Posted by Not So Fast
Hmmm, I don't recall having that offer made to me, but then I'm old and forgetful also
You know what Steve, I am glad I/we did the install ourselves, I learned quite a lot in the process
Bobby

I thought I did Bobby, but I'm old too...haha...
Old 08-07-2017, 10:15 PM
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Originally Posted by BlindSpot
I thought I did Bobby, but I'm old too...haha...
I might ad that a lot was learned at your behest, I listened And still do !!!
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Old 08-08-2017, 06:16 AM
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Originally Posted by Dcasole
He means torque management ..... almost every tune either turns it off or reduces it significantly..... The ECM pulls power in 1st and 2nd gear

I have mine set to off ...

Dave
A Diablo tune turns off TM right Dave?
Old 08-08-2017, 06:23 AM
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Originally Posted by Carvin
A Diablo tune turns off TM right Dave?
I can only speak for the A6 , yes the Can Tunes and Custom Tunes reduce it and you also have the option to shut it off ....

Dave
Old 08-08-2017, 08:18 AM
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Originally Posted by Dcasole
I can only speak for the A6 , yes the Can Tunes and Custom Tunes reduce it and you also have the option to shut it off ....

Dave
OK, thx. So far have just been running 93 octane tune but am getting ready to look into other parameters like throttle. I do have A6.

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Old 08-08-2017, 08:45 AM
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Originally Posted by BlindSpot
Here is a cap of the engine tab. Notice the vertical SCROLL bar. This page goes on and on and unable to SCap.
I sure wouldn't be brave enough to touch that.
Old 08-08-2017, 08:54 AM
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Originally Posted by Corvette_Ed
I sure wouldn't be brave enough to touch that.
Yeah, and as complex as it is, mostly a tuner is making some small adjustments here and there. For example, on the first screen cap, when I installed the SC and as I was building my tune, I was datalogging a crazy saw-toothed spark advance between 5500RPM and redline. Timing would drop completely to zero, back up again to +12*, back down, etc. I found it under power hop and spark control. On a 2nd gear roll to WOT, tires would break loose about 4500 RPM and this TM function was kicking in. I also made changes in Max Torque and fast torque exit.

Notice all the "Fuel cutoff" controls you see. When boosting the LAST control you want to use when in PE is fuel cutoff.

Last edited by BlindSpot; 08-08-2017 at 09:01 AM.
Old 08-08-2017, 10:47 AM
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Originally Posted by Corvette_Ed
I sure wouldn't be brave enough to touch that.
Me either Ed, Steve has been trying to "educate" me on this stuff and I'm still dumb about it, just too much for my ole noggin
NSF

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